11-24. A drained triaxial test is performed on a sand with of, - ojs 500 kPa. At failure, Tmax 660 kPа. Find oip, (o, - a,)r, and ф'. %3D 11-25. If the test of Problem 11-24 had been conducted undrained, determine (o, - 0,)s, ', Protal, and the angle of the failure plane in the specimen. Ди, 100 kPа. 11-26. If the test of Problem 11-25 were conducted at an initial confining pressure of 1000kPa, estimate the principal stress difference and the induced pore water pressure at failure. 11-27. Assume the sand of Problem 11-24 is Sacramento River sand at a void ratio of 0.8. If the initial volume of the specimen was 70 cm', what change in volume would you expect during shear? 11-28. What volume change would you expect during the test of Problem 11-25?

11-24. A drained triaxial test is performed on a sand with of, - ojs 500 kPa. At failure, Tmax 660 kPа. Find oip, (o, - a,)r, and ф'. %3D 11-25. If the test of Problem 11-24 had been conducted undrained, determine (o, - 0,)s, ', Protal, and the angle of the failure plane in the specimen. Ди, 100 kPа. 11-26. If the test of Problem 11-25 were conducted at an initial confining pressure of 1000kPa, estimate the principal stress difference and the induced pore water pressure at failure. 11-27. Assume the sand of Problem 11-24 is Sacramento River sand at a void ratio of 0.8. If the initial volume of the specimen was 70 cm', what change in volume would you expect during shear? 11-28. What volume change would you expect during the test of Problem 11-25?

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Shear Strength Of Soil

Section: Chapter Questions

Problem 10.10P

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Question

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solve the problem 11-28 please.

11-24. A drained triaxial test is performed on a sand with o, - oá =
500 kPa. At failure, Tmax =
660 kPa. Find ois, (0,
- 03),, and p'.
11-25. If the test of Problem 11-24 had been conducted undrained,
determine (o, - o3), ', Protat, and the angle of the failure plane in
the specimen. Ди, т 100 kРа.
11-26. If the test of Problem 11-25 were conducted at an initial confining
pressure of 1000 kPa, estimate the principal stress difference and
the induced pore water pressure at failure.
11-27. Assume the sand of Problem 11-24 is Sacramento River sand at a
void ratio of 0.8. If the initial volume of the specimen was 70 cm',
what change in voļume would you expect đuring shear?
11-28. What volume change would you expect during the test of Problem
11-25?

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